Answer:
x = 23, y = 20
Step-by-step explanation:
The angle which contains x is equal to the angle 120°, so you can do an equality:
5x +5 = 120
5x = 120 -5
5x = 115
x = 115/5
x = 23°
3y + 120° in this case is equal to 180, so:
3y + 120 = 180
3y = 180 - 120
3y = 60
y = 60/3
y = 20
